2001022010087 has 2 divisors, whose sum is σ = 2001022010088. Its totient is φ = 2001022010086.

The previous prime is 2001022010083. The next prime is 2001022010129. The reversal of 2001022010087 is 7800102201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001022010087 - 2² = 2001022010083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001022010083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000511005043 + 1000511005044.

It is an arithmetic number, because the mean of its divisors is an integer number (1000511005044).

Almost surely, 2^{2001022010087} is an apocalyptic number.

2001022010087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001022010087 is an equidigital number, since it uses as much as digits as its factorization.

2001022010087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 2001022010087 its reverse (7800102201002), we get a palindrome (9801124211089).

The spelling of 2001022010087 in words is "two trillion, one billion, twenty-two million, ten thousand, eighty-seven".